KR101604323B1 - 반도체 웨이퍼 가공용 테이프의 제조 방법 및 반도체 웨이퍼 가공용 테이프 - Google Patents
반도체 웨이퍼 가공용 테이프의 제조 방법 및 반도체 웨이퍼 가공용 테이프 Download PDFInfo
- Publication number
- KR101604323B1 KR101604323B1 KR1020157001148A KR20157001148A KR101604323B1 KR 101604323 B1 KR101604323 B1 KR 101604323B1 KR 1020157001148 A KR1020157001148 A KR 1020157001148A KR 20157001148 A KR20157001148 A KR 20157001148A KR 101604323 B1 KR101604323 B1 KR 101604323B1
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- adhesive layer
- adhesive
- semiconductor wafer
- printing
- tape
- Prior art date
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Images
Classifications
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- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
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- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
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Abstract
Description
도 2는 반도체 웨이퍼 가공용 테이프의 제조 공정을 설명하는 도면이다.
도 3은 반도체 웨이퍼 가공용 테이프의 제조 장치의 개념도이다.
도 4는 종래의 제조 방법에 의해 형성된 반도체 웨이퍼 가공용 테이프의 개략 구성을 나타내는 단면도이다.
도 5는 도 1의 반도체 웨이퍼 가공용 테이프의 접착제층의 변형예를 나타내는 도면이다.
도 6은 제2 실시 형태의 반도체 웨이퍼 가공용 테이프의 측면도이다.
도 7은 제2 실시 형태의 반도체 웨이퍼 가공용 테이프의 제조 공정을 설명하는 도면이다.
도 8은 제3 실시 형태의 반도체 웨이퍼 가공용 테이프의 측면도이다.
도 9는 제3 실시 형태의 반도체 웨이퍼 가공용 테이프의 제조 공정을 설명하는 도면이다.
도 10은 종래의 제조 방법에 의한 문제점을 설명하기 위한 도면이다.
도 11은 본 발명의 실시예에 따른 샘플의 접착제층의 외주부(경사부)를 설명하기 위한 도면이다.
11 : 지지용 필름(제1 수지 필름)
12 : 접착제층
12a : 경사부
12b : 볼록부
13 : 점착제층
14 : 기재 필름(제2 수지 필름)
15 : 다이싱 테이프
16 : 커버 필름
Claims (9)
- 수지 필름 상에, 다이본딩용 접착제를, 반도체 웨이퍼의 사이즈와 거의 동일하거나 그보다도 크게, 스크린 인쇄 또는 그라비아 인쇄함으로써 접착제층을 형성하는 인쇄 공정과,
상기 접착제층을 건조시키는 건조 공정
을 포함하는 반도체 웨이퍼 가공용 테이프의 제조 방법에 의해 제조된 반도체 웨이퍼 가공용 테이프에 있어서,
상기 건조 공정 후의 상기 접착제층의 외주부가 단면에서 보았을 때 완만하게 경사져 있고, 그 경사부의 두께를 t로, 수평 방향의 거리를 ΔR로 한 경우에, 식 (1)의 조건을 충족하고 있는 것을 특징으로 하는 반도체 웨이퍼 가공용 테이프.
0.4≤ΔR/t≤100 … (1) - 제1 수지 필름 상에, 다이본딩용 접착제를, 반도체 웨이퍼의 사이즈와 거의 동일하거나 그보다도 크게, 스크린 인쇄 또는 그라비아 인쇄함으로써 접착제층을 형성하는 인쇄 공정과,
상기 접착제층을 건조시키는 건조 공정과,
상기 제1 수지 필름의 상기 접착제층이 형성된 면에 대하여, 제2 수지 필름 상에 다이싱용 점착제로 이루어지는 점착제층이 형성된 다이싱 테이프를, 상기 접착제층과 상기 점착제층이 접하도록 접합하는 접합 공정
을 포함하는 반도체 웨이퍼 가공용 테이프의 제조 방법에 의해 제조된 반도체 웨이퍼 가공용 테이프에 있어서,
상기 건조 공정 후의 상기 접착제층의 외주부가, 단면에서 보았을 때, 완만하게 경사져 있고, 그 경사부의 두께를 t로, 수평 방향의 거리를 ΔR로 한 경우에, 식 (1)의 조건을 충족시키는 것을 특징으로 하는 반도체 웨이퍼 가공용 테이프.
0.4≤ΔR/t≤100 … (1) - 제1 수지 필름 상에, 다이본딩용 접착제를, 반도체 웨이퍼의 사이즈와 거의 동일하거나 그보다도 크게, 스크린 인쇄 또는 그라비아 인쇄함으로써 접착제층을 형성하는 인쇄 공정과,
상기 접착제층을 건조시키는 건조 공정과,
상기 제1 수지 필름의 상기 접착제층이 형성된 면에 대하여, 제2 수지 필름 상에 다이싱용 점착제로 이루어지는 점착제층이 형성된 다이싱 테이프를, 상기 접착제층과 상기 점착제층이 접하도록 접합하는 접합 공정
을 포함하는 반도체 웨이퍼 가공용 테이프의 제조 방법에 있어서,
상기 인쇄 공정에서는, 상기 건조 공정 후의 상기 접착제층의 외주부를 단면에서 보았을 때 완만하게 경사지게 하고, 그 경사부의 두께를 t로, 수평 방향의 거리를 ΔR로 한 경우에, 식 (1)의 조건을 충족시키는 것을 특징으로 하는 반도체 웨이퍼 가공용 테이프의 제조 방법.
0.4≤ΔR/t≤100 … (1) - 제3항에 있어서,
상기 인쇄 공정에서는, 상기 접착제층을, 상기 반도체 웨이퍼의 사이즈에 알맞은 형상으로 형성하는 것을 특징으로 하는 반도체 웨이퍼 가공용 테이프의 제조 방법. - 제3항 또는 제4항에 있어서,
상기 인쇄 공정에서는, 상기 다이본딩용 접착제를, 적어도 당해 반도체 웨이퍼로부터 분할되는 모든 칩을 덮도록 인쇄하는 것을 특징으로 하는 반도체 웨이퍼 가공용 테이프의 제조 방법. - 제3항에 있어서,
상기 접합 공정에서는, 상기 다이싱 테이프로서, 상기 제2 수지 필름 상에, 상기 다이싱용 점착제를 링 프레임의 사이즈와 거의 동일하거나 그보다도 크게 스크린 인쇄 또는 그라비아 인쇄함으로써 상기 점착제층을 형성한 것을, 사용하는 것을 특징으로 하는 반도체 웨이퍼 가공용 테이프의 제조 방법. - 삭제
- 삭제
- 삭제
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